145022236 has 24 divisors (see below), whose sum is σ = 260547840. Its totient is φ = 70603632.

The previous prime is 145022233. The next prime is 145022239. The reversal of 145022236 is 632220541.

It is an interprime number because it is at equal distance from previous prime (145022233) and next prime (145022239).

It is a self number, because there is not a number n which added to its sum of digits gives 145022236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145022233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22381 + ... + 28123.

It is an arithmetic number, because the mean of its divisors is an integer number (10856160).

Almost surely, 2^145022236 is an apocalyptic number.

It is an amenable number.

145022236 is a deficient number, since it is larger than the sum of its proper divisors (115525604).

145022236 is a wasteful number, since it uses less digits than its factorization.

145022236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913 (or 5911 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 145022236 is about 12042.5178430426. The cubic root of 145022236 is about 525.3856407686.

Adding to 145022236 its reverse (632220541), we get a palindrome (777242777).

The spelling of 145022236 in words is "one hundred forty-five million, twenty-two thousand, two hundred thirty-six".